MCA700-20IO1W Discrete Semiconductor Products

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The MCA700-20IO1W is a device from the thyristors family, more properly from the SCRs (Silicon Controlled Rectifiers) Modules.

SCRs, from the thyristors family, are four layer devices composed by two SCR junction, one of them designed to block current, and two main terminals, anode and cathode, that when connected with a positive voltage, drives the current through the SCR junction.

The MCA700-20IO1W has, together with the main terminals, an additional control terminal, the gate, which is responsible to control the SCR or, better said, to perform a controlled conduction, or turn off the current, if properly applied.

This particular device has some impressive characteristics, like a high voltage capability of 700V, that combines with a relatively high current capacity of 20A, making this module ideal in applications related to big producing plants or any other instance where high voltage, or/and current are needed.

But this is not all: the MCA700-20IO1W also has an impressive reactive power range, with its cos ɸ values of 0.93 at 20A, 0.9 at 15A and 30A, and 0.86 at 25A. In combination with compatible circuit breakers and isolation relay, these results can be used in any application where reactive power must be taken in consideration.

Regarding its working principle, the MCA700-20IO1W works in a very simple way: when the gate is connected with a positive voltage, the SCR connection will be closed and the current will be able to flow as it is described above.

With the gate voltage removed, the current will be blocked, isolating the main terminals, anode and cathode.

This basic configuration allows to develop a more sophisticated control system, with different gates voltage variating the current for a precise control of the system. This characteristic in combination with its high voltage and current capabilities, makes the MCA700-20IO1W an ideal choice for controlling large electrical power system, like the ones well known in many factories.

In general, the MCA700-20IO1W is a very useful device that combines a high current flow with a precise control system, making this module perfect for handeling a wide range of large industrial applications.

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